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Information Exposure Affecting tomcat-jsp-2_3-api package, versions <9.0.36-3.74.1

0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
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NVD
7.5 high
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Red Hat
7.5 high
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SUSE
7.5 high

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  • Snyk ID SNYK-SLES150-TOMCATJSP23API-2691362
  • published 14 Apr 2022
  • disclosed 7 Jan 2021
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Introduced: 7 Jan 2021

CVE-2020-17527 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

Upgrade SLES:15.0 tomcat-jsp-2_3-api to version 9.0.36-3.74.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat-jsp-2_3-api package and not the tomcat-jsp-2_3-api package as distributed by SLES:15.0. See How to fix? for SLES:15.0 relevant fixed versions and status.

While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an error and the closure of the HTTP/2 connection, it is possible that information could leak between requests.